$ git clone -n https://src.fedoraproject.org/rpms/bcal.git /var/lib/mock/f41-build-868541-175892/root/chroot_tmpdir/scmroot/bcal
Cloning into '/var/lib/mock/f41-build-868541-175892/root/chroot_tmpdir/scmroot/bcal'...
$ git fetch origin 1207ef5dff553a584111fbf63afac6c4953d0fbd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bcal
 * [new ref]         1207ef5dff553a584111fbf63afac6c4953d0fbd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1207ef5 Patch for GCC 15 compatibility